1 (14 oz.) can sweetened condensed milk
1 (6 oz.) can frozen lemonade concentrate, thawed and undiluted
1 (8 oz.) container frozen whipped topping, thawed
2 (9 inch) prepared graham cracker crusts
Lemon slices for garnish
Fresh mint for garnish

Fold sweetened condensed milk and lemonade concentrate into whipped topping; spoon into crusts. Freeze until firm. Garnish pies, if desired. Yield: two 9-inch pies.